Kera SRS, Snopce H. ON ESTIMATION OF FOURIER AND QUASI-MONOTONE-FOURIER COEFFICIENTS OF FUNCTIONS IN NIKOL’SKII CLASSES. Mat. Bilt. [Internet]. 2019 Jan. 1 [cited 2026 Jun. 13];43(1). Available from: https://bilten.smm.org.mk/index.php/bilten/article/view/1875